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DEFINITY ECS Release 8.2
Administrator’s Guide
555-233-506
Issue 1
April 2000
Phone reference
10847400-series telephones
19
7403D telephone
The 7403D is a multi-appearance digital telephone which has 10 buttons available
for line appearances, one-touch feature access, or Speed Dialing. In addition, the
7403D telephone may be equipped with a Digital Terminal Data Module (DTDM)
which attaches to the right side and allows the connection of a EIA RS-232C data
terminal.
7404D telephone
The 7404D is a multi-appearance digital telephone which provides simultaneous
voice/asynchronous data transmission. All the transmission is done over the same
two pairs of wire.
7405D telephone
The 7405D telephone is a multi-appearance digital telephone which allows
features to be added as the user needs them. The Digital Display can be added to
provide access to the Message Center. A Digital Terminal Data Module or 7400B
can be added to enable the user of a 7405D telephone to transmit or receive data
with an associated data terminal.
The basic 7405D provides 10 call appearance/feature buttons with lights that can
be assigned to call appearances or system features. It has 24 programmable
feature buttons and six fixed-feature buttons. The 7405D can also have a function
key module which adds 24 feature buttons and a call coverage module (when no
display module is used) which adds 20 call appearance/feature buttons.
7406 telephones
The 7406D telephone (7406D01A, 7406D02A, 7406D03A, and 7406D04A
models) has five call appearance/feature buttons, each with a red in-use light and a
green status light, seven shiftable (2-level) programmable feature buttons with no
lights, four programmable feature buttons with a green light, four fixed feature
buttons (CONFERENCE, TRANSFER, DROP, and HOLD), a SHIFT button with
a green light, a SPEAKER button, and a green Message light.
The 7406BIS telephone (7406D05A and 7406D06A models) has five call
appearance/feature buttons, each with a red in-use light and a green status light,
seven shiftable (2-level) programmable buttons with no lights, two programmable
feature buttons with a green light, four fixed feature buttons (CONFERENCE,
TRANSFER, DROP, and HOLD), a SHIFT button with a green light, a
SPEAKER button with a green light, a MUTE button with a red light, a
SPEAKER VOLUME “arrow” button, and a red Message light.